Below is the circuit diagram of the LM1893 Application Circuit. The LM1893 is a highly integrated device that includes both data modulation and demodulation functions, which significantly reduces the number of external components required in the design. This makes it ideal for applications where space and simplicity are key factors.
The external control unit manages half-duplex communication, handling both data transmission and reception. It allows multiple devices to communicate over a single power line using an encoded format, effectively creating a communication network through the existing electrical infrastructure. This feature is especially useful in industrial and home automation systems where wired communication is preferred for reliability and stability.
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